BearBulls

//+------------------------------------------------------------------+
//|                                                    BearBulls.mq4 |
//|                      Copyright © 2005, MetaQuotes Software Corp. |
//|                                       http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net/"

#property indicator_separate_window
#property indicator_level1 0.0002 
#property indicator_level2 -0.0002

#property  indicator_buffers 2
#property indicator_color1 Red
#property indicator_color2 Lime

#property indicator_width1 4
#property indicator_width2 2

//---- input parameters
extern int BearsBullsPeriod=13;
//---- buffers
double BearsBuffer[];
double BullsBuffer[];
double TempBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   string short_name;
//---- 1 additional buffer used for counting.
   IndicatorBuffers(3);
   IndicatorDigits(Digits);
//---- indicator line
   SetIndexStyle(0,DRAW_HISTOGRAM);
   SetIndexStyle(1,DRAW_HISTOGRAM);
   SetIndexBuffer(0,BearsBuffer);
   SetIndexBuffer(1,BullsBuffer);
   
   SetIndexBuffer(2,TempBuffer);
//---- name for DataWindow and indicator subwindow label
   short_name="BearBulls("+BearsBullsPeriod+")";
   IndicatorShortName(short_name);
   SetIndexLabel(0,short_name);
   SetIndexLabel(1,"BearBulls2("+BearsBullsPeriod+")");
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Bears Power                                                      |
//+------------------------------------------------------------------+
int start()
  {
   int i,counted_bars=IndicatorCounted();
//----
   if(Bars<=BearsBullsPeriod) return(0);
//----
   int limit=Bars-counted_bars;
   if(counted_bars>0) limit++;
   for(i=0; i<limit; i++)
      TempBuffer[i]=iMA(NULL,0,BearsBullsPeriod,0,MODE_EMA,PRICE_CLOSE,i);
//----
   i=Bars-counted_bars-1;
   while(i>=0)
     {
      BearsBuffer[i]=Low[i]-TempBuffer[i];
      BullsBuffer[i]=High[i]-TempBuffer[i];
      i--;
     }
//----
   return(0);
  }
//+------------------------------------------------------------------+